Heat energy and fuels: pyrometry, combustion, analysis of fuels and manufacture of charcoal, coke and fuel gases. Translated by Oskar Nagel (1908)
Jüptner von Jonstorff, Hanns, Freiherr, 1853- · New York McGraw · leaf 249
i -^^ J 240 HEAT ENERGY AND FUELS 2500 kg. of lignite in 24 hours, with a coal consumption of 25 to30 per cent and at a temperature of 800 to 900° C. The yield is Tar 10 per cent, Water 50 per cent. Coke. 32 per cent. The specific gravity of the tar at 35° C. is 0.82-0. 95. Suggestions for Lessons.…
Fuel · Heat
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